28001457

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2857}}^1$

素因数の和:2891

約数の個数: 30

約数和(自身を含む): 45993794

約数和(自身を除く): 17992337

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2857, 3267, 8571, 9801, 25713, 31427, 77139, 94281, 231417, 282843, 345697, 848529, 1037091, 2545587, 3111273, 9333819, 28001457]

約数ペア:

[(1, 28001457), (3, 9333819), (9, 3111273), (11, 2545587), (27, 1037091), (33, 848529), (81, 345697), (99, 282843), (121, 231417), (297, 94281), (363, 77139), (891, 31427), (1089, 25713), (2857, 9801), (3267, 8571)]